Attorney General James Uthmeier issued the rule in August prohibiting the kratom byproduct alkaloid 7-hydroxymitragynine, ...

Daphniphyllum alkaloids represent a fascinating and structurally diverse family of natural products isolated from evergreen plants long employed in traditional Chinese medicine. Their synthesis poses ...

Scorpion venom packs more than a painful sting. It’s also chock full of novel bioactive compounds—most of them polypeptides—that intrigue scientists. For the first time, researchers have identified an ...

Atropine was detected in four of 14 samples of cereal-based foods intended for children, according to a survey last year by the Norwegian Food Safety Authority (Mattilsynet). Another tropane alkaloid, ...

Since the early 1800s, practitioners of organic chemistry have been fascinated with a group of plant-derived compounds called "alkaloids." Alkaloids contain at least one nitrogen atom among other ...

Ergot alkaloids are a group of headache medicines that include dihydroergotamine (Migranal, Trudhesa, others) and ergotamine (Cafergot, Ergomar, Ergostat, others). These drugs are used only to treat ...

Attorney General James Uthmeier asked a judge to toss a challenge against an emergency rule filed by companies that sell the kratom byproduct of kratom and users of the substance.

Indole-based alkaloid natural products such as fischerindoles and hapalindoles have promising antimicrobial and antitumor activities, but they are difficult to make synthetically. New findings on how ...

Alkaloids constitute a large family of natural products possessing diverse biological properties. Their unique and complex structures have inspired numerous innovations in synthetic chemistry. In the ...

Researchers at the University of Tsukuba have discovered a unique biphasic cellular response triggered by tetrandrine, a naturally occurring alkaloid containing nitrogen. The research is published in ...

The pharmacologically important tropane alkaloids have a scattered distribution among angiosperm families, like many other groups of secondary metabolites. To determine whether tropane alkaloids have ...